Universal Sustain Pedal Keyboard Pedal with Polarity Switch for Various Digital Pianos, Electronic Keyboards, MIDI Synthesizer Instruments

【Upgraded Chip】: Our upgraded universal keyboard pedal uses three printed circuit boards (PCBs) to control the conversion of dual channel polarity switches. When you change the polarity switch, the PCB recognizes and stabilizes the piano's internal current, thereby enriching the sound of your digital piano by reducing noise and getting the best sound quality. 【Wide Compatibility】: Keyboard Piano Pedal Equipped with a polarity reversal switch (61 inch) cable, compatible with almost all brands of 1/4 inch input electronic pianos, keyboards, synthesizers and digital pianos. 【Pedal Keyboard Material】: The keyboard hold pedal adopts electroplated metal support frame, and the surface of the bottom thick metal plate is covered with a high-quality silicone layer. Sustain Pedal for Keyboard High quality rubber shell provides high reliability and extends the service life of the support pedal. 【Non-Slip Design】: Our midi foot pedal has a thick metal plate on the bottom, a rubber layer on the surface, and 6 non-slip rubber pads to firmly fix the pedal on the floor and maintain the optimal position. 【High Quality Appearance】: Upgraded piano pedal for keyboard, sturdy, durable and ultra-compact aesthetic design provides a classic style portable guitar pedal loved by many keyboardists and pianists.